Electric power-steering control apparatus
US8050825B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2009 |
| Grant date | Nov 1, 2011 |
| Priority date | — |
| Expiry date | May 24, 2030 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D5/0463
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A steering-torque detecting unit detects a steering torque applied by a driver as a steering torque signal. A phase-lag compensation unit performs an operation having a frequency response characteristic of multiplying a phase-lag compensation by a constant for the steering torque signal based on a signal obtained by applying an amplification by a first gain and a low pass filter on the steering torque signal and a signal obtained by applying an amplification by a second gain on the steering torque signal. A current control unit controls a current applied to a motor to follow a current command that is obtained based on an output of the phase-lag compensation unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.